MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised CMS uploads and disposable hosting, likely intended to redirect users to malicious sites. The presence of multiple external URIs and a link farm structure strongly suggests an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://uk-finansist.ru/userfiles/file/nevasujozosabuzuvowemeda.pdf In PDF document text
- http://eprdel.cz/userfiles/file/deduxawunoxefoluduwalu.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607716f9222ba---53072821266.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/d8be847feddf19af9bdd74c014eeaaba/641482635.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/rufupan.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc9bf3ede1---guvewovudorixe.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607078a15a24e---ruxexe.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/venopexewelinosed.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/4b4123f12b24404ed82c7aade2d2b99f/40288145504.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/71225371122.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/db20ebd1b4c8c1b6a8bf177efeeb6827/63594271158.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0ae72ce21---68511863223.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/ruv4gbhtlref3m1do9cl6e260o/punafixaf.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/16526376539.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae42db2523---74184101895.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/39509930838.pdfIn PDF document text
- http://propellerclubsandiego.org/uploads/files/nomakezid.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/moneg7q6r7ilq5l47hf96v09ca/zudazedupala.pdfIn PDF document text
- http://rsti.biz/files/fck/file/gefenova.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/8b9eprgn2969chbebud3vgf914/61557189130.pdfIn PDF document text
- http://comlark.ru/userfiles/files/14011690754.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c0587e8e2a9---libanutipuf.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1ab94453b---puwidotivunaduwikomolez.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612144e06f42e---44565880186.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/xudulumodaboluzugu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=electrical+machines+vk+mehtaPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c2b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2B7 | 10516 bytes |
SHA-256: da2ae89865e77d13f1392876dd08d3e5241cfa102423d90d725bb660ecb36008 |
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font_01_sfnt_off0000da6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6F | 15836 bytes |
SHA-256: 76a283d3e8cc49409de4a9ca706a8ed396cbdd789328112f886f70eec23bbf4e |
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font_02_sfnt_off0001034d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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